Using scatter diagrams
We use scatter diagrams to tell how much correlation there is between two attributes such as height and weight. Correlation pretty much means co-relation. It shows if there is a relation between two measures. There…
Category: Weekly Challenge
Pentomino + Pentomino = Decomino
This week’s challenge is about pentomino pairs. You can split any decomino (10 square shape) into 2 pentominoes (Is this true? Or can you find a 10 square polyomino (decomino) that can’t be split into…
Polyomino Competition Update
A couple of updates to the competition. First the deadline has been extended to include half term. You can now submit your entry any time up to Sunday 2nd June. This also allows you to…
Open Cube Nets vs Pentominoes
Pentominoes are where polyominoes start to get interesting. There are just enough of them to make it a nice challenge to discover them all (as an extension, see if you can find a way to…
Polyomino Jigsaw (and chance to win a t-shirt)
This week’s activity is all about making and creating. Polyominoes it turns out make great jigsaw pieces. Ask anyone who got hooked on Tetris 20 or 30 years ago. The aim of this challenge is…
Polyominoes and Symmetry
One of the difficulties in learning maths, and especially geometry is that we learn about mathematical objects in non mathematical ways. So we might learn algebra by learning to move numbers around the equation. This…
Making Pentominoes
Polyominoes are made with squares. If you use 2 squares you make a domino. There is only one type of domino. Most of us will be familiar with it. If you use 3 squares, you…
Polyomino Challenges
Polyominoes are shapes made by sticking squares together in a particular way. All squares must be connected to at least one other square Squares can only be connected across a full side There are lots…